Home / 10,070.92-15,110.70-5,681.80

Finding the Fourth Proportional to 10,070.92, 15,110.70 and 5,681.80

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Solution

The fourth proportional to 10,070.92, 15,110.70 and 5,681.80 is: 8,525.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,070.92 : 15,110.70 = 5,681.80 : x
  2. Step 2: Convert to fraction form
    10,070.92/15,110.70 = 5,681.80/x
  3. Step 3: Cross multiply
    10,070.92x = 15,110.70 × 5,681.80
  4. Step 4: Simplify right side
    10,070.92x = 85,855,975.26
  5. Step 5: Solve for x
    x = 85,855,975.26/10,070.92
  6. Step 6: Final answer
    x = 8,525.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.